10 - resp failure cont'd

Question 1

management of resp. failure: 4 steps?

Answer 1

rapid pt evaluation. resuscitation, initiation of life support. identify underlying cause. intervene with specific therapy.

Question 2

tissue hypoxia is ___? management?

Answer 2

lethal: administer enough O2 by whatever means necessary to correct the hypoxemia

Question 3

routes of O2 administration

Answer 3

nasal prongs/cannulae. venturi mask. simple or resevoir mask. bag + mask. CPAP. BiPAP. endotracheal tube/tracheostomy + positive pressure mechanical ventilation

Question 4

oxygen induced hypercapnia

Answer 4

give enough O2 to keep SpO2 at least 90% (PaO2 55 mmHg) –> then treat worsening hypercapnia/hypoventilation if/when it develops